README.md in carrierwave-base64-1.6 vs README.md in carrierwave-base64-1.7

@@ -13,9 +13,15 @@
 
 ```ruby
 gem 'carrierwave-base64'
 ```
 
+Also add this if you need mongoid support:
+
+```ruby
+gem "carrierwave-mongoid"
+```
+
 ## ActiveRecord
 
 Mount the uploader:
 
 ```ruby